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Table 6.4.5-4 Recommended Herbicide Application <br /> Weed Species Herbicide Application Rate Application Time <br /> Canada thistle Curtail 2-3 qt/ac October or 1 mo after last mowing <br /> Spring or fall, during rosette to bud <br /> Clopyralid 2/3 - 1 pint/ac growth stages in spring <br /> Spring prebud to early early bud growth <br /> 2,4-D 1lb ai/ac stages <br /> Spring prebud to early early bud growth <br /> picloram 1lb ai/ac stages <br /> Dalmation toadflax picloram 0.5 - 1 lb ai/ac Fall <br /> picloram + 2,4-D Pre-bloom or fall <br /> Spring rosette to early-bolt growth <br /> Diffuse knapweed Tordon 1 pint/ac stages <br /> Banvel/Vanquish/ Spring rosette to early-bolt growth <br /> Clarity +2,4-D 0.5 + 1 qt/ac stages <br /> Spring rosette to early-bolt growth <br /> Curtail 2-3 qt/ac stages <br /> Spring rosette to early-bolt growth <br /> Transline 2/3 - 1 pint/ac stages <br /> Leafy spurge Tordon 1 qt/ac Fall 1 month after last mowing <br /> Tordon + 2,4-D 0.5 - 0.75 + 1 qt/ac Fall 1 month after last mowing <br /> Vanquish/Clarity 1 qt/ac Fall 1 month after last mowing <br /> Musk thistle Curtail 0.25 lb ai/ac Spring 10-14 days before bolting <br /> dicamba 1 lb ai/ac Spring 10-14 days before bolting <br /> Fall, apply to rosettes when other plants <br /> picloram 0.25 lb ai/ac are dormant <br /> Fall on dormant plants, need to reseed <br /> Russian knapweed Curtail during following year <br /> picloram 1 lb ai/ac Anytime <br /> Kirtright Pit(M1986-123) Amendment Application <br /> Specific Exhibits <br /> Page 8 of 26 <br />